Aerostar 20 x 25 x 4 MERV 8 Pleated Air Filter, Pleated (Pack of 6)

• Nominal size: 20x25x4; Actual size: 19 1/2"x24 1/2"x3 3/4"; This MERV 8 filter is comparable with MPR 600 & FPR 5.

• Designed to filter microscopic particles such as lint, dust mites, spores, and pollen

• Simple to install and a cost-effective step towards a healthier home environment. Replace 3"-5" filters every 3-6 months.

• 100% synthetic electrostatic media for high efficiency with low air flow resistance

• Manufactured by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive